Inter-Tech SinanPower L-2500. Size: 63.5 mm (2.5 "), Hard drive interface: Serial ATA II. Compatible operating systems: Windows 98/2000/ME/XP/Vista. Colour of product: Black, Orange. Dimensions (WxDxH): 75 x 127 x 13 mm, Weight: 0.12 kg. Material: Aluminium